Bubble, bubble, boil and trouble! What causes common substances like baking soda and vinegar to react the way they do? Welcome your junior chemists to the wonders of acid-base chemistry using a comprehensive and fun...

Need some extra resources to get your class computer savvy? How about several years' worth? Show pupils in K-8 a progression of proficiency in a series of computer lessons. Learners master the basics, then work with the Microsoft Office...